Revision 31ab2b4a
| b/exec.c | ||
|---|---|---|
| 459 | 459 |
|
| 460 | 460 |
static MemoryRegionSection phys_page_find(target_phys_addr_t index) |
| 461 | 461 |
{
|
| 462 |
uint16_t *p = phys_page_find_alloc(index, 0); |
|
| 463 |
uint16_t s_index = phys_section_unassigned; |
|
| 462 |
PhysPageEntry lp = phys_map; |
|
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PhysPageEntry *p; |
|
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int i; |
|
| 464 | 465 |
MemoryRegionSection section; |
| 465 | 466 |
target_phys_addr_t delta; |
| 467 |
uint16_t s_index = phys_section_unassigned; |
|
| 466 | 468 |
|
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if (p) {
|
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s_index = *p; |
|
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for (i = P_L2_LEVELS - 1; i >= 0; i--) {
|
|
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if (lp.u.node == PHYS_MAP_NODE_NIL) {
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goto not_found; |
|
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} |
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p = phys_map_nodes[lp.u.node]; |
|
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lp = p[(index >> (i * L2_BITS)) & (L2_SIZE - 1)]; |
|
| 469 | 475 |
} |
| 476 |
|
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s_index = lp.u.leaf; |
|
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not_found: |
|
| 470 | 479 |
section = phys_sections[s_index]; |
| 471 | 480 |
index <<= TARGET_PAGE_BITS; |
| 472 | 481 |
assert(section.offset_within_address_space <= index |
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